<template>
	<view class="goods-item">
		<!-- 左侧的盒子 -->
		<view class="goods-item-left">
			<!-- 勾选框 -->
			<radio
				:checked="goods.goods_state"
				color="#c00000"
				v-if="showRadio"
				@click="radioClickHandler"
			></radio>
			<image :src="goods.goods_small_logo || defaultPic" class="goods-pic" />
		</view>
		<!-- 右侧的盒子 -->
		<view class="goods-item-right">
			<!-- 商品的名字 -->
			<view class="goods-name">{{ goods.goods_name }}</view>
			<view class="goods-info-box">
				<!-- 商品价格 -->
				<view class="goods-price">¥ {{ goods.goods_price | tofixed }}</view>
				<!-- 商品数量 -->
				<uni-number-box
					:min="1"
					:value="goods.goods_count"
					v-if="showNum"
					@change="numChangeHandler"
				></uni-number-box>
			</view>
		</view>
	</view>
</template>

<script>
export default {
	name: 'my-goods',
	props: {
		goods: {
			type: Object,
			default: {},
		},
		showRadio: {
			type: Boolean,
			// 默认情况下, 不会展示 radio 组件
			default: false,
		},
		showNum: {
			type: Boolean,
			// 默认情况下, 不会展示 number-box 组件
			default: false,
		},
	},
	data() {
		return {
			// 默认的图片
			defaultPic:
				'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
		};
	},
	// 价格过滤器
	filters: {
		tofixed(num) {
			return Number(num).toFixed(2);
		},
	},
	methods: {
		// 这是 radio 组件的 点击事件处理函数
		radioClickHandler() {
			this.$emit('radio-change', {
				goods_id: this.goods.goods_id,
				goods_state: !this.goods.goods_state,
			});
		},
		// 监听到了 NumberBox 组件数量变化的事件
		numChangeHandler(val) {
			// console.log(val);
			this.$emit('num-change', {
				goods_id: this.goods.goods_id,
				goods_count: +val,
			});
		},
	},
};
</script>

<style lang="scss">
.goods-item {
	width: 750rpx;
	// 加了box-sizing:border-box属性
	// padding和border的值就不会在影响元素的宽高
	// 相当于把padding和border的值都算在内容content里
	box-sizing: border-box;
	display: flex;
	padding: 10px 5px;
	border-bottom: 1px solid #f0f0f0;
	.goods-item-left {
		margin-right: 5px;
		display: flex;
		justify-content: space-between;
		align-items: center;
		.goods-pic {
			width: 100px;
			height: 100px;
			display: block;
		}
	}
	.goods-item-right {
		display: flex;
		flex: 1;
		flex-direction: column;
		justify-content: space-between;
		.goods-name {
			font-size: 13px;
		}
		.goods-info-box {
			display: flex;
			justify-content: space-between;
			align-items: center;
			.goods-price {
				color: #c00000;
				font-size: 16px;
			}
		}
	}
}
</style>
